COMPARATIVE STUDY
JOURNAL ARTICLE
REVIEW

Cost-effectiveness of radiofrequency catheter ablation for the treatment of atrial fibrillation in the United Kingdom

C McKenna, S Palmer, M Rodgers, D Chambers, N Hawkins, S Golder, S Van Hout, C Pepper, D Todd, N Woolacott
Heart 2009, 95 (7): 542-9
19095714

OBJECTIVE: To assess the cost-effectiveness of radiofrequency catheter ablation (RFCA) compared with anti-arrhythmic drug (AAD) therapy for the treatment of atrial fibrillation (AF) from the perspective of the UK NHS.

DESIGN: Bayesian evidence synthesis and decision analytical model.

METHODS: A systematic review and meta-analysis was conducted and Bayesian statistical methods used to synthesise the effectiveness evidence from randomised control trials. A decision analytical model was developed to assess the costs and consequences associated with the primary outcome of the trials over a lifetime time horizon.

MAIN OUTCOME MEASURE: Costs from a health service perspective and outcomes measured as quality-adjusted life years (QALYs).

RESULTS: The incremental cost-effectiveness ratio of RFCA varied between pound7763 and pound7910 for each additional QALY according to baseline risk of stroke, with a probability of being cost-effective from 0.98 to 0.99 for a cost-effectiveness threshold of pound20 000. Results were sensitive to the duration of quality of life benefits from treatment.

CONCLUSIONS: RFCA is potentially cost-effective for the treatment of paroxysmal AF in patients' predominantly refractory to AAD therapy provided the quality-of-life benefits from treatment are maintained for more than 5 years. These findings remain subject to limitations in the existing evidence regarding the nature of life benefits and the prognostic importance of restoring normal sinus rhythm conferred using RFCA.

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